package cn.tedu.jdbc;
/**
 * DBUtil工具类测试;
 */
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCDemo4 {
    public static void main(String[] args) {
        try {
            //创建数据库连接对象[利用工具类]
            Connection connection = DBUtil.getConnection();
            Statement statement = connection.createStatement();
            System.out.println("请输入用户名：");
            Scanner scan=new Scanner(System.in);
            String username=scan.nextLine();
            int i=statement.executeUpdate("DELETE  FROM userinfo WHERE username='"+username+"'");
            if (i>0){
                System.out.println("注销成功");
            }else{
                System.out.println("注销失败");
            }
            connection.close();
        }catch (SQLException e){
            throw new RuntimeException(e);
        }
    }
}
